Say goodbye to the pocket protector-wearing, un-sexy rocket scientist and say hello to JPL’s Satish Krishnan, one of America’s “top 50 bachelors.” Krishnan, 26, is featured in this week’s People magazine with 49 other “Sexy, Single and Sizzling” guys. The pickings run the gamut from celebrity bachelors such as Ben Affleck and George Clooney to everyday guys including a cowboy, a cop and a dinosaur hunter.